Who owns WRBWhat WRB owns
What BERKLEY W R CORP owns
The company's own 13F portfolio · as of 2026-06-30 · long US-listed stakes only — private holdings, bonds and cash are not disclosable on a 13F
$2.10B
disclosed stock portfolio
337
positions
12%
in EPD
Positions, as of 2026-06-30
ordered by filed value · % of book = share of the disclosed stock portfolio · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | EPDENTERPRISE PRODS PARTNERS L | 6.8M | $250.9M | 12% |
| 2 | ETENERGY TRANSFER L P | 8.3M | $157.7M | 7.5% |
| 3 | KMIKINDER MORGAN INC DEL | 2.8M | $90.7M | 4.3% |
| 4 | PAAPLAINS ALL AMERN PIPELINE L | 3.2M | $70.9M | 3.4% |
| 5 | ONON SEMICONDUCTOR CORP | 731,118 | $69.1M | 3.3% |
| 6 | MSFTMICROSOFT CORPPUT | 149,400 | $55.7M | 2.7% |
| 7 | MSFTMICROSOFT CORP | 149,400 | $55.7M | 2.7% |
| 8 | PGRPROGRESSIVE CORP | 207,589 | $45.3M | 2.2% |
| 9 | AGRICULTURE & NAT SOL ACQ CO | 3.3M | $37.1M | 1.8% |
| 10 | NVDANVIDIA CORPORATION | 124,800 | $25.0M | 1.2% |
| 11 | NVDANVIDIA CORPORATIONPUT | 124,800 | $25.0M | 1.2% |
| 12 | DRDBROMAN DBDR ACQUISITION CORP | 2.3M | $24.0M | 1.1% |
| 13 | TSMTAIWAN SEMICONDUCTOR MANUFAC | 49,700 | $23.7M | 1.1% |
| 14 | TSMTAIWAN SEMICONDUCTOR MANUFACPUT | 49,700 | $23.7M | 1.1% |
| 15 | PFEPFIZER INC | 965,537 | $23.3M | 1.1% |
| 16 | INFLECTION PT ACQUISITION CO | 2.2M | $22.8M | 1.1% |
| 17 | TSLATESLA INC | 50,000 | $21.0M | 1% |
| 18 | TSLATESLA INCPUT | 50,000 | $21.0M | 1% |
| 19 | SBXDFSILVERBOX CORP IV | 1.9M | $20.9M | 1% |
| 20 | EVACEQV VENTURES AC CORP. II | 1.9M | $19.1M | 0.9% |
| 21 | LPAALAUNCH ONE ACQUISITION CORP | 1.7M | $18.2M | 0.9% |
| 22 | KCHVKOCHAV DEFENSE ACQUI CO | 1.7M | $17.5M | 0.8% |
| 23 | MCGAYORKVILLE ACQUISITION CORP. | 1.6M | $16.8M | 0.8% |
| 24 | GTERAGLOBA TERRA ACQUISITION COR | 1.6M | $16.1M | 0.8% |
| 25 | VLOSM3BRIGADE ACQUISITION V CORP | 1.4M | $15.5M | 0.7% |
| 26 | CEPOCANTOR EQUITY PARTNERS I INC | 1.4M | $15.4M | 0.7% |
| 27 | JOEST JOE CO | 209,542 | $13.1M | 0.6% |
| 28 | GIWGIGCAPITAL8 CORP | 1.3M | $13.0M | 0.6% |
| 29 | TACOBERTO ACQUISITION CORP | 1.2M | $12.9M | 0.6% |
| 30 | XRPNARMADA ACQUISITION CORP II | 1.2M | $12.9M | 0.6% |
| 31 | CRACCROWN RESV ACQUISITION CORP | 1.2M | $12.3M | 0.6% |
| 32 | FACTFACT II ACQUISITION CORP | 1.2M | $12.3M | 0.6% |
| 33 | NPACNEW PROVIDENCE ACQUISITION C | 1.2M | $12.2M | 0.6% |
| 34 | AMZNAMAZON COM INC | 50,000 | $11.9M | 0.6% |
| 35 | AMZNAMAZON COM INCPUT | 50,000 | $11.9M | 0.6% |
| 36 | KFIIK&F GROWTH ACQUISITION CORP | 1.1M | $11.9M | 0.6% |
| 37 | ONENHENNESSY CAP INVT CORP VII | 1.1M | $11.5M | 0.5% |
| 38 | QSEAQUARTZSEA ACQUISITION CORP | 1.1M | $11.5M | 0.5% |
| 39 | COPLCOPLEY ACQUISITION CORP | 1.1M | $11.3M | 0.5% |
| 40 | INFLECTION POINT ACQU CORP V | 1.1M | $11.1M | 0.5% |
| 41 | JACSJACKSON ACQUISITION CO II | 927,836 | $9.9M | 0.5% |
| 42 | FGIIFG IMPERII ACQUISITION CORP | 992,100 | $9.9M | 0.5% |
| 43 | CHARCHARLTON ARIA ACQUISITION CO | 878,975 | $9.5M | 0.5% |
| 44 | XSLLXSOLLA SPAC 1 | 920,190 | $9.1M | 0.4% |
| 45 | LPBBLAUNCH TWO ACQUISITION CORP. | 847,934 | $9.1M | 0.4% |
| 46 | QUMSQUANTUMSPHERE ACQUISITION CO | 881,402 | $9.0M | 0.4% |
| 47 | RFAIRF ACQUISITION CORP II | 814,851 | $9.0M | 0.4% |
| 48 | SOULSOULPOWER ACQUISITION CORP | 866,764 | $9.0M | 0.4% |
| 49 | AEXAAMERICAN EXCEPTIONALISM ACQU | 747,779 | $8.8M | 0.4% |
| 50 | GIXGIGCAPITAL9 CORP | 882,431 | $8.8M | 0.4% |
| 51 | SZZLSIZZLE ACQUISITION CORP. II | 843,448 | $8.7M | 0.4% |
| 52 | MACIMELAR ACQUISITION CORP. I | 795,916 | $8.7M | 0.4% |
| 53 | SDHISIDDHI ACQUISITION CORP | 826,986 | $8.6M | 0.4% |
| 54 | PLMKPLUM ACQUISITION CORP IV | 805,592 | $8.6M | 0.4% |
| 55 | DYNCDYNAMIX CORP | 775,489 | $8.4M | 0.4% |
| 56 | DAAQDIGITAL ASSET ACQUISITION CO | 792,787 | $8.2M | 0.4% |
| 57 | CEPVCANTOR EQUITY PARTNERS V INC | 792,962 | $8.2M | 0.4% |
| 58 | TACHTITAN ACQUISITION CORP | 778,984 | $8.1M | 0.4% |
| 59 | PTORPRAETORIAN ACQUISITION CORP | 795,690 | $7.9M | 0.4% |
| 60 | SSACSPACSPHERE ACQUISITION CORP | 768,983 | $7.7M | 0.4% |
| 61 | BLUWBLUE WTR ACQUISITION CORP. I | 731,506 | $7.5M | 0.4% |
| 62 | POLEANDRETTI ACQUISITION CORP II | 683,233 | $7.3M | 0.4% |
| 63 | PCAPPROCAP ACQUISITION CORP | 700,182 | $7.2M | 0.3% |
| 64 | LCCCLAKESHORE ACQUISITION III CO | 687,425 | $7.2M | 0.3% |
| 65 | CCAQCOLLECTIVE ACQUISITION CORP | 683,778 | $7.1M | 0.3% |
| 66 | VZVERIZON COMMUNICATIONS INC | 157,666 | $6.7M | 0.3% |
| 67 | CHECCHENGHE ACQUISITION III CO | 643,849 | $6.5M | 0.3% |
| 68 | ZKPLAFAYETTE DIGITAL ACQUISITIO | 646,456 | $6.5M | 0.3% |
| 69 | TAVITAVIA ACQUISITION CORP | 548,331 | $6.0M | 0.3% |
| 70 | KTWOK2 CAP ACQUISITION CORP | 596,880 | $5.9M | 0.3% |
| 71 | XFLHXFLH CAP CORP | 571,683 | $5.7M | 0.3% |
| 72 | OCAC/UOCEAN CAP ACQUISITION CORP | 556,013 | $5.7M | 0.3% |
| 73 | ALDFALDEL FINL II INC | 523,423 | $5.6M | 0.3% |
| 74 | BREZBREEZE ACQUISITION CORP II | 557,070 | $5.5M | 0.3% |
| 75 | CAPNCAYSON ACQUISITION CORP | 497,282 | $5.5M | 0.3% |
| 76 | BEAGBOLD EAGLE ACQUISITION CORP | 508,724 | $5.4M | 0.3% |
| 77 | CCIICOHEN CIRCLE ACQUISIT CORP I | 525,621 | $5.4M | 0.3% |
| 78 | GPATGP-ACT III ACQUISITION CORP | 497,064 | $5.4M | 0.3% |
| 79 | SUMASUMA ACQUISITION CORP | 546,810 | $5.4M | 0.3% |
| 80 | FMACFUTURE MONEY ACQUISITION COR | 540,732 | $5.4M | 0.3% |
| 81 | TVAITHAYER VENTURES ACQ CORP II | 518,020 | $5.4M | 0.3% |
| 82 | RANGRANGE CAP ACQUISITION CORP | 497,293 | $5.3M | 0.3% |
| 83 | GPACGENERAL PURP ACQUISITION COR | 518,564 | $5.2M | 0.2% |
| 84 | GTENGORES HLDGS X INC | 492,370 | $5.1M | 0.2% |
| 85 | FSHPFLAG SHIP ACQUISITION CORP | 449,489 | $5.0M | 0.2% |
| 86 | QLEPQUANTUM LEAP ACQUISITION COR | 496,600 | $4.9M | 0.2% |
| 87 | CTAACLEARTHINK 1 ACQUISITION COR | 497,000 | $4.9M | 0.2% |
| 88 | OYSEOYSTER ENTERPRISES II ACQUIS | 475,872 | $4.9M | 0.2% |
| 89 | NMPNMP ACQUISITION CORP | 470,664 | $4.8M | 0.2% |
| 90 | WTGWINTERGREEN ACQUISITION CORP | 460,136 | $4.8M | 0.2% |
| 91 | OHACOCEANHAWK ACQUISITION CORP | 472,530 | $4.7M | 0.2% |
| 92 | BEBETGE VALUE CREATIVE SOLUTIONS | 447,006 | $4.5M | 0.2% |
| 93 | MLAAMOUNTAIN LAKE ACQUISIT CORP | 447,794 | $4.4M | 0.2% |
| 94 | ALOVALDABRA 4 LQDTY OPP VEH INC | 446,445 | $4.4M | 0.2% |
| 95 | SAGUSHREYA ACQUISITION GROUP | 447,352 | $4.4M | 0.2% |
| 96 | UYSCUY SCUTI ACQUISITION CORP. | 407,586 | $4.4M | 0.2% |
| 97 | OBAOXLEY BRIDGE ACQ LTD | 424,660 | $4.3M | 0.2% |
| 98 | SPEGSILVER PEGASUS ACQUISITION C | 415,865 | $4.3M | 0.2% |
| 99 | RTACRENATUS TACTICAL ACQUIS | 403,883 | $4.2M | 0.2% |
| 100 | EGHAEGH ACQUISITION CORP. | 409,369 | $4.2M | 0.2% |
Source: SEC Form 13F-HR filed by BERKLEY W R CORP (CIK 11544), reporting period 2026-06-30. Values are quarter-end filed marks. Research, not investment advice.